baber/WOPTO huggingface dataset:
Patent JP-H04367736-A (JP)
Title: Preparation of dihydric phenol alkyl ether
Inventor: SHIOMI YASUSHI
IPC: C07B61/00
Filed: 1991-06-14
Abstract: PURPOSE:To enhance catalytic activity in etherification reaction by preparing a catalyst for specific dehydration reaction containing Al, P, Ti, Si, an alkali metal element and oxygen in a specific atomic ratio. CONSTITUTION:An Al component, a P component, a Ti component, an Si component and at least one kind of an element component selected from the group consisting of group Ia alkali metal elements, group IIa alkaline earth metal elements and group VIII metal elements are mixed as catalyst raw materials in specific amounts. A predetermined amount of water is added to the resulting mixture and the obtained composition is heat-treated under stirring at predetermined temp. for a predetermined time and subsequently dried and calcined at predetermined temp. to obtain a dehydration reaction catalyst. dihydric phenol and lower alcohol are subjected to dehydration reaction in a gaseous phase in the presence of the dehydration reaction catalyst while a phosphorus compound or the phosphorus compound and a boron compound is supplied to the reaction system to prepare dihydric phenol monoalkyl ether.
Patent JP-H04121493-A (JP)
Title: Fan control device
Inventor: OKANO TAKASHI
IPC: F04D27/00
Filed: 1990-09-07
Abstract: PURPOSE:To ensure a proper air quantity even at the time of an abnormality of a microcomputer by providing a zero-cross detecting means for the zero-cross point of a power source waveform, and outputting a determined phase control signal from an abnormality control circuit on the basis of the zero-cross signal at the time of the abnormality. CONSTITUTION:The zero-cross point of a power source waveform is detected by a zero-cross detecting means 5 for inputting a power source power, and a zero-cross signal is outputted in the zero-cross point. This zero-cross signal is given to a phase control means 6, which outputs a phase control signal corresponding to a preset operating condition. On the basis of this phase control signal, the on/off control of the switching element 4 of a fan driving means 3 is conducted through a drive means 7. Thus, the supply power supplied to the fan 2 is controlled to optionally control the rotating speed of the fan 2. When the phase control means 6 is defective, and an abnormality signal is outputted from an abnormality output means 9, a phase control signal for abnormality is outputted from an abnormality control means 8. According to this phase control signal, the switching element 4 is made on/off to control the fan 2.
Patent JP-H0878793-A (JP)
Title: Manufacture of semiconductor laser
Inventor: TAKEUCHI TATSUYA
IPC: H01S5/00
Filed: 1994-09-07
Abstract: PURPOSE: To achieve the flattening of a mesa buried form and the low-growth temperature of buried growth by using a raw-material gas to which hydrogen chloride is added to form an InP buried layer in the periphery of mesa structure by a pressure reducing organic metal vapor phase growth method. CONSTITUTION: An n-InGaAsP guide layer 2, an i-InGaAsP active layer 3, a p-InP clad layer 4 and a p-InGaAsP contact layer 5 are formed on an n-InP substrate 1 by an organic metal vapor growth MOVPE method. Thereon. a mesa is formed by an RIE method using an ethane series gas with an SiO2 mask. An Fe-doped high-resistance InP phase 7 is grown on the n-InP substrate 1 having a mesa by an MOVPE method in which TMI, PH3 is used for a raw- material gas and ferrocene is used for an Fe dopant and hydrogen chloride of 0.5% dilution is used for a chlorine raw material to bury mesa structure. An SiO2 film is removed to form an n-side electrode 8 and a p-side electrode 9. Thereby, the costs of an exhaust gas processing device can be reduced.
Patent JP-S63132234-A (JP)
Title: Water developing photosensitive printing plate and making thereof
Inventor: ISHIKAWA KATSUKIYO
IPC: G03F7/033
Filed: 1987-09-22
Abstract: A water-developable photosensitive resin plate suitable for the manufacture of a relief printing plate having high resistance to water-based inks, high resilience and excellent form stability, which comprises:   (A) a copolymer comprising units of (i) an aliphatic conjugated diene monomer (ii) an  alpha ,  beta -ethylenically unsaturated carboxylic acid and (iii) a polyfunctional vinyl monomer, optionally with (iv) a monofunctional vinyl monomer, the content of the aliphatic conjugated diene monomer (i), the  alpha ,  beta -ethylenically unsaturated carboxylic acid (ii), the polyfunctional vinyl monomer (iii) and the monofunctional vinyl monomer (iv) being respectively from about 5 to 95 mol %, from about 1 to 30 mol %, from about 0.1 to 10 mol% and 0 to 70 mol% based on the combination of those monomeric components;   (B) a basic nitrogen atom-containing compound;   (C) an ethylenically unsaturated monomer; and   (D) a photopolymerization initiator. m
Patent JP-H03103595-A (JP)
Title: Marking on cross section of tunnel pressure
Inventor: MATSUKI HIROAKI
IPC: E21D20/00
Filed: 1989-09-14
Abstract: PURPOSE:To accurately apply marking and reduce out break and hitting, by projecting laser beams in turn at a working reference point by use of a laser projector placing an optical axis of a laser beam in parallel with that of a collimator. CONSTITUTION:A laser beam projector 1 made as a unit composed of a laser oscillator 5 and a angle and distance measurer 6 with optical waves so that the laser beams 3 are parallel with a collimator in the optical axis thereof is settled at the optional position in the front of a working face 18 in a tunnel. And after the installed position is detected in advance, work reference points are projected in turn by the laser beams for marking on the existing working face 18 according to a planned tunnel line and cross section.
Patent JP-H10316065-A (JP)
Title: Bicycle steering handlebar structure
Inventor: OTSUKI HACHIRO
IPC: B62K21/12
Filed: 1997-05-21
Abstract: PROBLEM TO BE SOLVED: To provide bicycle steering handlebar structure contributing to effective use of land in various houses and bicycle parking areas, convenient for parking a bicycle in and taking it out of a bicycle parking area, enabling the rapid parking arrangement in good order, high in parking efficiency and attaining double antitheft effect. SOLUTION: The bicycle steering handlebar structure is so constituted that a head tube, a part of a bicycle frame is equipped with a steering part formed of a handlebar fixing pipe E to which a handlebar support body mounted with steering handlebars is fixed. Connected constitution between the handlebar support body 1 and the steering handlebars can be optionally changed and set by a locking means using a handlebar key 6 into a steering state by lock- connecting the steering handlebars to the handlebar support body 1 and into a breadth narrowed state obtained by a rotating means to the handlebar support body 1 or a bending means of the laterally bisected steering handlebars to the handlebar support body 1.
Patent JP-2001067083-A (JP)
Title: Karaoke device characterized by additional service concerning energy consumed in singing
Inventor: ODA KENICHI
IPC: G06Q50/22
Filed: 1999-08-25
Abstract: PROBLEM TO BE SOLVED: To inform a user of energy consumption when the user has sung a song. SOLUTION: A central control part 5 starts a food-and-drink report mode in response to a prescribed operation input from a remote-control transmitter 8. In this mode, the food and drink taken by a user are reported. When a request is received, the ID of a musical piece and the ID of the user are obtained from the remote-control transmitter 8. During the performing operation of the musical piece, the level of sound volume of the singer is detected from a microphone 20 through an LPF 30 and an A/D converter 30b while load variations and vibration displacement imposed on a foothold of the singer are detected by means of a foothold sensor 4, thereby computing an estimated amount of energy consumed by the voice making motion and rhythmic motion of the user.  When the performance of the musical piece is over, a difference is found between the result of the computation and the amount of energy taken in by the requester from the food and drink items, and it is outputted and displayed on a display 28 as the amount of energy yet to be consumed.
Patent JP-H0775136-A (JP)
Title: Stereoscopic video display device
Inventor: SHIMADA SATOSHI
IPC: H04N13/04
Filed: 1993-08-31
Abstract: PURPOSE:To provide a stereoscopic image having presence by respectively displaying pictures for right and left eyes while laterally bisecting the display screen of a large aspect ratio. CONSTITUTION:A monitor 22 with the display screen of an aspect ratio 16:9 is laterally bisected, a right picture R is displayed on a left display screen 22L, and a left picture L is displayed on a right display screen 22R. Further, linear polarizing filters 23A and 23B not to be permeable each other are arranged on the surface corresponding to the pictures R and L. This monitor 22 is observed through spectacles 30 for stereoscopic image provided with a filter 23A for right eye, filter 23B for left eye and the same polarizing direction filters 33 and 34. Thus, the picture through the filters 33 and 34 is turned to just the left and right side halves of pictures R and L. Therefore, since the picture R is observed just with the right eye and the picture L is observed just with the left eye in the pictures of different view points provided by a camera 11 for stereoscopic image when observing the monitor 22 while using the spectacles 30, the stereoscopic image synthesizing the pictures R and L can be observed visually at the center of the monitor 22.
Patent JP-H0796472-A (JP)
Title: Screw tightening tool
Inventor: YAMAZAKI KAZUYUKI
IPC: B25B21/00
Filed: 1993-09-27
Abstract: PURPOSE:To provide a screw tightening tool which can realize the tightening and cope with the looseness irrespective of the size of particles to be tightened such as a nut and bolt. CONSTITUTION:A hooking ring part 2a where an endless hoop body 2 such as chain and belt which is turned in the forward or reverse direction by a turning means B provided inside a casing 1 is swollen outside the casing 1 and hooked to the outer circumference of a tightened body N such as the angular head of the nut or the bolt is formed. This constitution can cope with the tightening or loosening operation of a body to be tightened of any size without any special attention to the size of the body to be tightened by the operation that the hooking ring part of the endless hoop body swollen outside the casing is hooked to the outer circumference of the body to be tightened, leading to excellent workability.
Patent JP-S60129019-A (JP)
Inventor: ABE MASATO
IPC: A47J37/12
Filed: 1983-12-19
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H06200851-A (JP)
Title: Fuel injection pump for internal combustion engine
Inventor: BUERUNAA NAUMAN
IPC: F02M41/12
Filed: 1993-09-27
Abstract: PURPOSE: To manufacture a fuel injection pump with low cost and to simply assemble it. CONSTITUTION: A fuel injection pump for an internal combustion engine has at least one pump piston that is rotated and is meanwhile reciprocated by a cam drive mechanism. Rotary position of a stationary part 19 of the cam drive mechanism is fixed by a fixing element 37 that is radially engaged with a stationary position, and is fixed on the pump casing 28. The fixing element is detachably mounted on an inner side of the pump casing 28 by a mounting element 38.
Patent JP-H04122432-A (JP)
Title: Granulating apparatus for powder
Inventor: ISOBE SEISHIRO
IPC: B01J2/22
Filed: 1990-09-10
Abstract: PURPOSE:To improve disintegrating yield and a grinding/screening time by subjecting a powdery raw material to compression molding between a pair of press rolls wherein a roll having recessed grooves right-angled to the peripheral direction thereof continuously provided thereto is combined with a roll having recessed grooves parallel to the peripheral direction thereof continuously provided thereto. CONSTITUTION:Press rolls 4, 4' respectively having semicircular recessed parts 14 right-angled to the peripheral direction thereof and semicircular recessed parts 15 parallel to the peripheral direction thereof continuously formed to the surfaces thereof are arranged at the proper interval corresponding to a desired particle size. A raw material 2 is pressed by a pair of these press rolls 4, 4' to be molded into a plate- shaped article 5 having semicolumnar protruding parts crossing each other at a right angle continuously formed to both surfaces thereof. The plate-shaped article 5 is bent along the lateral grooves thereof by the curvatures of disintegrating rolls 7,7' and cut along the longitudinal grooves thereof at the same time by the acute angle teeth of said rolls 7, 7', and discharged through the recessed parts 19 of the disintegrating rolls 7, 7' to obtain particles 8 each having semicolumnar protruding parts crossing each other at a right angle formed to the surface and rear thereof.
Patent JP-S6299436-A (JP)
Title: High-cleanliness steel
Inventor: SERIKAWA OSAMICHI
IPC: C22C38/40
Filed: 1985-10-26
Abstract: PURPOSE:To improve the cold workability and fatigue characteristics of a rolled steel material and to provide superior performance as a steel for a very thin flat spring, a hyperfine wire or a high strength sprig by specifying the composition of nonmetallic inclusions having <=5 ratio of length (l)/width (d) in the L-section of the steel material so that the inclusions are made soft. CONSTITUTION:The average composition of nonmetallic inclusions having <=5 ratio of length (l)/width (d) in the L-section of a rolled steel material is composed essentially of, by weight, 20-60% SiO2, 10-80% MnO and <=50% CaO and/or <=15% MgO. The steel has a composition consisting of <=1.1% C, 0.1-2.5% Si and the balance Fe with inevitable impurities or <0.1-2.5% Si, 0.1-1.5% Mo, 0.1-2% Cr and/or 0.1-2% Co and the balance Fe with inevitable impurities.
Patent JP-H0693897-A (JP)
Title: Air-fuel ratio control device for internal combustion engine
Inventor: SAWAMOTO KUNIAKI
IPC: F01N3/24
Filed: 1992-09-08
Abstract: PURPOSE:To stabilize operability by using unburnt gas absorber and lean NOX catalyst, in an internal combustion engine for switchingly controlling a theoretical air-fuel ratio and a lean air-fuel ratio according to operating state, thereby controlling the air-fuel ratio at lean control on rich side when the unburnt gas concentration at the lean NOX catalyst inlet is high. CONSTITUTION:An air-fuel ratio control device for internal combustion engine has an absorber 8 provided on an exhaust passage, a lean NOX catalyst 9, and a HC concentration sensor 13 provided near the inlet of the lean NOX catalyst 9. When the engine temperature is higher than a determined temperature, and lean burn control is transferred to, the HC separation quantity from the absorber 8 is detected by a HC concentration sensor 13. On the basis of the detection by the concentration sensor 13, unburnt gas correction coefficient is set high at the time of a high HC concentration where the NOX conversion efficiency of the lean NOX catalyst 9 is increased, whereby the air-fuel ratio is controlled on rich side (leaner than theoretical air-fuel ratio) over the lean air-fuel ratio at general lean burn control. Thus, operability is stabilized while suppressing NOX exhaust quantity.
Patent JP-H1061631-A (JP)
Title: Rail fixing screw
Inventor: KURIKI KAZUO
IPC: F16B25/00
Filed: 1996-08-22
Abstract: PROBLEM TO BE SOLVED: To keep a fitting hole of a rail from being exposed to the upper surface of a rail to be an eyesore when the rail is fixed to a floor by a screw by integrally providing a flange part having a diameter larger than the inside diameter of a fitting hole of a rail on the outer peripheral edge of the head, whereby the fitting hole is covered with the whole of the head part having the flange part on the upper surface of the rail. SOLUTION: A rail fixing tapping screw 1 comprises a trunk 2 and a flat countersunk like head part 3 provided on the upper end thereof. The head part 3 is a flat truncated cone, the outer peripheral edge of which is integrally provided with a flange part 7, and the outside diameter (h) of the flange part 7 is set to be larger than the inside diameter (w) of a fitting hole 16 of a rail. Vertical fitting holes 16 are bored in plural places in the longitudinal direction on the right and left flat parts 15a of a recessed groove 15b of the rail 15. As the fitting hole is covered with the upper surface of the rail, even if a screw is screwed in a position biased from the center of the fitting hole, the fitting hole can be completely covered with the flange part.
Patent JP-H02167497-A (JP)
Title: Control part for fuel assembly
Inventor: KURAUSU EERAASU
IPC: G21C7/10
Filed: 1988-09-27
Abstract: PURPOSE: To avoid the occurrence of surface wear at a specific area after a longterm use by enabling a control rod rotate around a center axis and fixing it at several positions for a carrier. CONSTITUTION: In a control rod assembly 1, each control rod 2 is inserted into a hole 3 of a spider-type carrier 4, and a buffer material is provided at a shoulder 5 of the control rod 2 and is brought into contact with a bosom part 6 of the carrier 4. Also, a screw is provided at the edge part of the control rod 2 for retaining a nut 7, and the nut 7 is clamped to a peak 8 of the carrier 4 for fixing the control rod 2. Further, a coupler 9 is provided at the center of the carrier 4 for retaining a drive shaft for moving the control rod 2 in vertical direction, and a groove 11 is formed at the bottom part 6, thus engaging a protrusion provided at the shoulder 5. Then, the nut 7 is removed at a certain time interval and the control rod 2 is moved down along the direction of a guide pipe and the control rod 2 is rotated and moved and then is fixed by the nut 7 again, thus preventing the control rod from being worn out and extending life and then reducing a nuclear waste.
Patent JP-H0664325-A (JP)
Title: Thermal rcording body
Inventor: YAMAUCHI KEIJI
IPC: B41M5/337
Filed: 1992-08-18
Abstract: PURPOSE:To obtain a high-gloss thermal recording body having no possibility of an occurrence of sticking at the time of recording, a high recording density, and a good contrast. CONSTITUTION:In a thermal recording body provided with a heat sensitive layer and an overcoating layer on a substrate, a pigment having an average particle diameter 1-3 times larger than the total coating thickness of the heat sensitive layer and the overcoating layer is compounded in the heat sensitive layer. In this manner, in the thermal recording body, a high gloss is kept, sticking and scratch marks never occur, and the pigment is not separated by a slitter or the like.
Patent JP-H0552809-A (JP)
Title: Method and apparatus for reading fluorescent pattern
Inventor: OKANE ATSUSHI
IPC: G01N27/447
Filed: 1991-08-28
Abstract: PURPOSE:To obtain data wherein noise components at the time of reading is canceled by performing electrophoresis on sample, reading wavelength characteristics of two fluorescent patterns generated by a marker fluorescent substance and performing differential operation by means of linear operation. CONSTITUTION:Spot light wherein a laser beam 31 emitted from a light source 21 is scanned by a vibrating mirror 22 is applied toward gel of an electrophoretic part 5 while moving to generated fluorescent light 13. The light 13 is received by a collector 23 and converted into an electric signal by a photoelectric conversion part 24. There the signal is divided into two systems of first and second photoelectric conversion parts 24A, 24B each of which has an optical filter having different detection wavelength characteristics, and the conversion part 24A detects light of fluorescent wavelength components while the conversion part 24B detects light of noise wavelength components. The respective signals are output to an arithmetic part 33, where differential operation is performed to be further amplified by an amplifier 25. The signals from the amplifier 25 are processed in a control circuit 27 which controls a series of signal processing, so that a signal of only light intensity of fluorescent wavelength to be detected with the noise wavelength components eliminated from the fluorescent wavelength components is provided.
Patent JP-H1087628-A (JP)
Title: Production of optically active tetrahydroquinoline derivative
Inventor: KOBAYASHI OSAMU
IPC: B01J31/02
Filed: 1996-09-11
Abstract: PROBLEM TO BE SOLVED: To profitably obtain the subject compound useful as an intermediate for synthesizing physiologically active substances by employing an imino Diels- Alder reaction. SOLUTION: This method for producing a tetrahydroquinoline derivative of formula III comprises reacting 1 mole of a compound of formula I (R<2> is H, an alkyl; R<3> is an alkyl, an alkoxy) (e.g. cyclopentene, cyclohexene) with 0.1-2.0 moles of an imine compound of formula II (R<1> is an alkyl, an aryl, etc.) in the presence of an optically active lanthanoid catalyst in an inactive solvent (e.g. a halogenated hydrocarbon) at a reaction temperature of -40 to 100 deg.C (preferably -20 to 0 deg.C). The catalyst is used in an amount of 0.001-0.5 mole, preferably 0.01-0.3 mole, per mole of the compound of formula II. The coexistence of a substituted pyridine such as 2,6-di(t-butyl)pyridine is preferable for enhancing the reaction yield and the optical yield.
Patent JP-S6482227-A (JP)
Title: Rule compiler
Inventor: USHIJIMA TOSHIMITSU
IPC: G06F9/44
Filed: 1987-09-25
Abstract: PURPOSE:To improve the processing speed of an inference by deciding an optimum inference system where inference speed is considered, based on an inference object knowledge constitution information acquiring means and constitution information obtained from it. CONSTITUTION:At the time of compiling a rule knowledge by a rule complier 1, first, an inference object knowledge constitution information acquiring means 2 is activated, the constitution information is acquired from an inference object knowledge storing part 6, and it is added to an inference system deciding means 3. The means 3 decides the optimum inference system where the inference speed is considered, based on the constitution information. For example, that the quantity of the knowledge of an inference object exceeds a certain quantity is decided, the speed is increased by using a RETE algorithm, a rule object output means 4 is activated, the knowledge stored in a role knowledge storing part 5 is compiled, a rule object is prepared, and it is stored into a storing part 7. Simultaneously, based on it, an inference mechanism 8 is activated, and the inference is executed. In such a way, the burden of an inference system selection to a user is lightened.
Patent JP-H08175327-A (JP)
Title: Steering device for car
Inventor: HARARUTO DONNAA
IPC: B60R25/021
Filed: 1995-09-19
Abstract: PROBLEM TO BE SOLVED: To easily lock a steering shaft. SOLUTION: A steering shaft 1 is axially and radially adjustable over a preset adjustment range via at least one adjusting device 4 operated by external force. When the operation of the automobile is stopped, the steering shaft 1 can be brought to a position out of the adjustment range (a) and the adjusting device 4 is formed or arranged so that at that position a torsional force exerted on the steering shaft 1 via a steering wheel is not transmitted to a steering gear.